Home / 133,362.74-184,033.78-72,921.66

Finding the Fourth Proportional to 133,362.74, 184,033.78 and 72,921.66

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Solution

The fourth proportional to 133,362.74, 184,033.78 and 72,921.66 is: 100,628.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,362.74 : 184,033.78 = 72,921.66 : x
  2. Step 2: Convert to fraction form
    133,362.74/184,033.78 = 72,921.66/x
  3. Step 3: Cross multiply
    133,362.74x = 184,033.78 × 72,921.66
  4. Step 4: Simplify right side
    133,362.74x = 13,420,048,733.67
  5. Step 5: Solve for x
    x = 13,420,048,733.67/133,362.74
  6. Step 6: Final answer
    x = 100,628.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.